With their razor-sharp incisors rats can tackle any prey without losing a morsel. The human population of a modern city is outnumbered three to one by rats. Underneath the city streets they move around their own dark, humid labyrinth of sewers, cellars, pipes and air ducts.

Underneath the city streets rats move around their own dark, humid labyrinth of sewers, cellars, pipes and air ducts. The human population of a modern city is outnumbered three to one by rats.

Underneath the city streets rats move around their own dark, humid labyrinth of sewers, cellars, pipes and air ducts. With their razor-sharp incisors they can tackle any prey without losing the tiniest morsel. The human population of a modern city is outnumbered three to one by rats.

Underneath the city streets rats move around their own dark, humid labyrinth of sewers, cellars, pipes and air ducts. The human population of a modern city is outnumbered three to one by rats.

Their prodigious rate of reproduction enables a female rat to have up to seven litters in a single year. The human population of a modern city is outnumbered three to one by rats. Underneath the city streets they move around their own dark, humid labyrinth of sewers, cellars, pipes and air ducts.

Their prodigious rate of reproduction enables a female rat to have up to seven litters in a single year. The human population of a modern city is outnumbered three to one by rats. Underneath the city streets they move around their own dark, humid labyrinth of sewers, cellars, pipes and air ducts.

The problem-solving capacity of rats can only be compared to that of humans, and they can swim without interruption for three days. Underneath the city streets they move around their own dark, humid labyrinth of sewers, cellars, pipes and air ducts. The human population of a modern city is outnumbered three to one by rats.

The problem-solving capacity of rats can only be compared to that of humans, and they can swim without interruption for three days. Underneath the city streets they move around their own dark, humid labyrinth of sewers, cellars, pipes and air ducts. The human population of a modern city is outnumbered three to one by rats.

The human population of a modern city is outnumbered three to one by rats. Underneath the city streets they move around their own dark, humid labyrinth of sewers, cellars, pipes and air ducts.

The human population of a modern city is outnumbered three to one by rats. Underneath the city streets they move around their own dark, humid labyrinth of sewers, cellars, pipes and air ducts.

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